000
FZNT02 KNHC 200950
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1030 UTC TUE SEP 20 2022

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS

SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE
HEIGHT OF THE HIGHEST 1/3 OF THE WAVES. INDIVIDUAL WAVES MAY BE
MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.

SECURITE

ATLANTIC FROM 07N TO 31N W OF 35W INCLUDING CARIBBEAN SEA AND
GULF OF MEXICO

SYNOPSIS VALID 0600 UTC MON SEP 20.
24 HOUR FORECAST VALID 0600 UTC WED SEP 21.
48 HOUR FORECAST VALID 0600 UTC THU SEP 22.

.WARNINGS.

...ATLC HURRICANE WARNING...
.HURRICANE FIONA NEAR 21.3N 70.9W 967 MB AT 0900 UTC SEP 20 
MOVING NNW OR 330 DEG AT 9 KT. MAXIMUM SUSTAINED WINDS 100 KT 
GUSTS 120 KT. TROPICAL STORM FORCE WINDS WITHIN 130 NM E 
SEMICIRCLE...60 NM SW QUADRANT AND 100 NM NW QUADRANT. SEAS 12 
FT OR GREATER WITHIN 180 NM NE QUADRANT...120 NM SE 
QUADRANT...90 NM SW QUADRANT...AND 150 NM NW QUADRANT WITH SEAS 
TO 29 FT. ELSEWHERE OVER FORECAST WATERS WITHIN 180 NM OF 
CENTER...EXCEPT 240 NE QUADRANT WINDS 20 TO 33 KT. SEAS 10 TO 17 
FT. REMAINDER OF AREA FROM 20N TO 25N BETWEEN 65W AND THE 
BAHAMAS WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED SWELL.
.24 HOUR FORECAST HURRICANE FIONA NEAR 23.6N 71.7W. MAXIMUM 
SUSTAINED WINDS 115 KT GUSTS 140 KT. TROPICAL STORM FORCE WINDS 
WITHIN 140 NM E SEMICIRCLE...80 NM SW QUADRANT AND 110 NM NW 
QUADRANT. SEAS 12 FT OR GREATER WITHIN 210 NM NE QUADRANT... 
...150 NM SE QUADRANT...120 NM SW QUADRANT AND 180 NM QUADRANT 
WITH SEAS TO 37 FT. ELSEWHERE WITHIN 240 NM OF CENTER
...EXCEPT 180 NM SW QUADRANT WINDS 20 TO 33 KT. SEAS 10 TO 18 
FT. REMAINDER OF AREA FROM 21N TO 27N BETWEEN 66W AND THE 
BAHAMAS S OF 27N AND FROM 27N TO 29N BETWEEN 67W AND 76W WINDS 
20 KT OR LESS. SEAS 8 TO 11 FT IN MIXED SWELL.   
.48 HOUR FORECAST HURRICANE FIONA NEAR 27.1N 70.7W. MAXIMUM 
SUSTAINED WINDS 120 KT GUSTS 145 KT. TROPICAL STORM FORCE WINDS 
WITHIN 160 NM E SEMICIRCLE...110 NM SW QUADRANT AND 130 NM NW 
QUADRANT. SEAS 12 FT OR GREATER WITHIN 210 NM NE AND SW 
QUADRANTS...180 NM SE QUADRANT AND 240 NM NW QUADRANT WITH SEAS 
TO 44 FT. ELSEWHERE WITHIN 300 NM E SEMICIRCLE AND 240 NM W 
SEMICIRCLE OF CENTER WINDS 20 TO 33 KT. SEAS 11 TO 19 FT. 
REMAINDER OF AREA FROM 21N TO 27N BETWEEN 66W AND THE BAHAMAS 
AND FROM 27N TO 31N BETWEEN 66W AND 79W WINDS 20 KT OR LESS. 
SEAS 8 TO 11 FT IN MIXED SWELL.   
.72 HOUR FORECAST HURRICANE FIONA NEAR 32.6N 66.8W. MAXIMUM 
SUSTAINED WINDS 115 KT GUSTS 140 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST HURRICANE FIONA NEAR 42.5N 60.0W. MAXIMUM 
SUSTAINED WINDS 90 KT GUSTS 110 KT.
.120 HOUR FORECAST POST-TROPICAL EXTRATROPICAL FIONA NEAR 50.5N 
59.5W. MAXIMUM SUSTAINED WINDS 55 KT GUSTS 65 KT.

FORECAST WINDS IN AND NEAR ACTIVE TROPICAL CYCLONES SHOULD BE
USED WITH CAUTION DUE TO UNCERTAINTY IN FORECAST TRACK...SIZE
AND INTENSITY.

.SYNOPSIS AND FORECAST.

.LOW PRES NEAR 31N46W 1014 MB. N OF 30N BETWEEN 44W AND 46W S 
WINDS 20 TO 25 KT. SEAS TO 8 FT.
.12 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...N OF 
AREA NEAR 33N46W 1012 MB. OVER FORECAST WATERS WINDS 20 KT OR 
LESS. SEAS LESS THAN 8 FT.

.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

$$
.FORECASTER AGUIRRE. NATIONAL HURRICANE CENTER.